package com.chinasofti.manager.domain;

public class Demo04 {
    public static void main(String[] args) {
        String s1 = new String();
        System.out.println(s1);
        char ch[] = {'a','b','c'};
        String s2 = new String(ch);
        System.out.println(s2);
        String s3 = new String("123");
        System.out.println(s3);
    }
}
